blob: 4fc90de68d18a46941cfd8c629dd5f6624600173 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: diva.c,v 1.33.2.6 2004/02/11 13:21:33 keil Exp $
2 *
3 * low level stuff for Eicon.Diehl Diva Family ISDN cards
4 *
5 * Author Karsten Keil
6 * Copyright by Karsten Keil <keil@isdn4linux.de>
Joe Perches475be4d2012-02-19 19:52:38 -08007 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
10 *
11 * For changes and modifications please read
12 * Documentation/isdn/HiSax.cert
13 *
14 * Thanks to Eicon Technology for documents and information
15 *
16 */
17
18#include <linux/init.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include "hisax.h"
20#include "isac.h"
21#include "hscx.h"
22#include "ipac.h"
23#include "ipacx.h"
24#include "isdnl1.h"
25#include <linux/pci.h>
26#include <linux/isapnp.h>
27
Adrian Bunk672c3fd2005-06-25 14:59:18 -070028static const char *Diva_revision = "$Revision: 1.33.2.6 $";
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
Joe Perches475be4d2012-02-19 19:52:38 -080030#define byteout(addr, val) outb(val, addr)
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#define bytein(addr) inb(addr)
32
33#define DIVA_HSCX_DATA 0
34#define DIVA_HSCX_ADR 4
35#define DIVA_ISA_ISAC_DATA 2
36#define DIVA_ISA_ISAC_ADR 6
37#define DIVA_ISA_CTRL 7
38#define DIVA_IPAC_ADR 0
39#define DIVA_IPAC_DATA 1
40
41#define DIVA_PCI_ISAC_DATA 8
42#define DIVA_PCI_ISAC_ADR 0xc
43#define DIVA_PCI_CTRL 0x10
44
45/* SUB Types */
46#define DIVA_ISA 1
47#define DIVA_PCI 2
48#define DIVA_IPAC_ISA 3
49#define DIVA_IPAC_PCI 4
50#define DIVA_IPACX_PCI 5
51
52/* CTRL (Read) */
53#define DIVA_IRQ_STAT 0x01
54#define DIVA_EEPROM_SDA 0x02
55
56/* CTRL (Write) */
57#define DIVA_IRQ_REQ 0x01
58#define DIVA_RESET 0x08
59#define DIVA_EEPROM_CLK 0x40
60#define DIVA_PCI_LED_A 0x10
61#define DIVA_PCI_LED_B 0x20
62#define DIVA_ISA_LED_A 0x20
63#define DIVA_ISA_LED_B 0x40
64#define DIVA_IRQ_CLR 0x80
65
66/* Siemens PITA */
67#define PITA_MISC_REG 0x1c
68#ifdef __BIG_ENDIAN
69#define PITA_PARA_SOFTRESET 0x00000001
70#define PITA_SER_SOFTRESET 0x00000002
71#define PITA_PARA_MPX_MODE 0x00000004
72#define PITA_INT0_ENABLE 0x00000200
73#else
74#define PITA_PARA_SOFTRESET 0x01000000
75#define PITA_SER_SOFTRESET 0x02000000
76#define PITA_PARA_MPX_MODE 0x04000000
77#define PITA_INT0_ENABLE 0x00020000
78#endif
79#define PITA_INT0_STATUS 0x02
80
81static inline u_char
82readreg(unsigned int ale, unsigned int adr, u_char off)
83{
84 register u_char ret;
85
86 byteout(ale, off);
87 ret = bytein(adr);
88 return (ret);
89}
90
91static inline void
Joe Perches475be4d2012-02-19 19:52:38 -080092readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -070093{
94 byteout(ale, off);
95 insb(adr, data, size);
96}
97
98
99static inline void
100writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
101{
102 byteout(ale, off);
103 byteout(adr, data);
104}
105
106static inline void
107writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
108{
109 byteout(ale, off);
110 outsb(adr, data, size);
111}
112
113static inline u_char
114memreadreg(unsigned long adr, u_char off)
115{
Joe Perches475be4d2012-02-19 19:52:38 -0800116 return (*((unsigned char *)
117 (((unsigned int *)adr) + off)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118}
119
120static inline void
121memwritereg(unsigned long adr, u_char off, u_char data)
122{
123 register u_char *p;
Joe Perches475be4d2012-02-19 19:52:38 -0800124
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 p = (unsigned char *)(((unsigned int *)adr) + off);
126 *p = data;
127}
128
129/* Interface functions */
130
131static u_char
132ReadISAC(struct IsdnCardState *cs, u_char offset)
133{
Joe Perches475be4d2012-02-19 19:52:38 -0800134 return (readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135}
136
137static void
138WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
139{
140 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset, value);
141}
142
143static void
144ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
145{
146 readfifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0, data, size);
147}
148
149static void
150WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
151{
152 writefifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0, data, size);
153}
154
155static u_char
156ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
157{
Joe Perches475be4d2012-02-19 19:52:38 -0800158 return (readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset + 0x80));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159}
160
161static void
162WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
163{
Joe Perches475be4d2012-02-19 19:52:38 -0800164 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset | 0x80, value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165}
166
167static void
Joe Perches475be4d2012-02-19 19:52:38 -0800168ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169{
170 readfifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0x80, data, size);
171}
172
173static void
Joe Perches475be4d2012-02-19 19:52:38 -0800174WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175{
176 writefifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0x80, data, size);
177}
178
179static u_char
180ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
181{
Joe Perches475be4d2012-02-19 19:52:38 -0800182 return (readreg(cs->hw.diva.hscx_adr,
183 cs->hw.diva.hscx, offset + (hscx ? 0x40 : 0)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184}
185
186static void
187WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
188{
189 writereg(cs->hw.diva.hscx_adr,
Joe Perches475be4d2012-02-19 19:52:38 -0800190 cs->hw.diva.hscx, offset + (hscx ? 0x40 : 0), value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191}
192
193static u_char
194MemReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
195{
Joe Perches475be4d2012-02-19 19:52:38 -0800196 return (memreadreg(cs->hw.diva.cfg_reg, offset + 0x80));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197}
198
199static void
200MemWriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
201{
Joe Perches475be4d2012-02-19 19:52:38 -0800202 memwritereg(cs->hw.diva.cfg_reg, offset | 0x80, value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203}
204
205static void
Joe Perches475be4d2012-02-19 19:52:38 -0800206MemReadISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207{
Joe Perches475be4d2012-02-19 19:52:38 -0800208 while (size--)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209 *data++ = memreadreg(cs->hw.diva.cfg_reg, 0x80);
210}
211
212static void
Joe Perches475be4d2012-02-19 19:52:38 -0800213MemWriteISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214{
Joe Perches475be4d2012-02-19 19:52:38 -0800215 while (size--)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216 memwritereg(cs->hw.diva.cfg_reg, 0x80, *data++);
217}
218
219static u_char
220MemReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
221{
Joe Perches475be4d2012-02-19 19:52:38 -0800222 return (memreadreg(cs->hw.diva.cfg_reg, offset + (hscx ? 0x40 : 0)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223}
224
225static void
226MemWriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
227{
228 memwritereg(cs->hw.diva.cfg_reg, offset + (hscx ? 0x40 : 0), value);
229}
230
231/* IO-Functions for IPACX type cards */
232static u_char
233MemReadISAC_IPACX(struct IsdnCardState *cs, u_char offset)
234{
235 return (memreadreg(cs->hw.diva.cfg_reg, offset));
236}
237
238static void
239MemWriteISAC_IPACX(struct IsdnCardState *cs, u_char offset, u_char value)
240{
241 memwritereg(cs->hw.diva.cfg_reg, offset, value);
242}
243
244static void
Joe Perches475be4d2012-02-19 19:52:38 -0800245MemReadISACfifo_IPACX(struct IsdnCardState *cs, u_char *data, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246{
Joe Perches475be4d2012-02-19 19:52:38 -0800247 while (size--)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248 *data++ = memreadreg(cs->hw.diva.cfg_reg, 0);
249}
250
251static void
Joe Perches475be4d2012-02-19 19:52:38 -0800252MemWriteISACfifo_IPACX(struct IsdnCardState *cs, u_char *data, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253{
Joe Perches475be4d2012-02-19 19:52:38 -0800254 while (size--)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255 memwritereg(cs->hw.diva.cfg_reg, 0, *data++);
256}
257
258static u_char
259MemReadHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset)
260{
Joe Perches475be4d2012-02-19 19:52:38 -0800261 return (memreadreg(cs->hw.diva.cfg_reg, offset +
262 (hscx ? IPACX_OFF_B2 : IPACX_OFF_B1)));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700263}
264
265static void
266MemWriteHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
267{
Joe Perches475be4d2012-02-19 19:52:38 -0800268 memwritereg(cs->hw.diva.cfg_reg, offset +
269 (hscx ? IPACX_OFF_B2 : IPACX_OFF_B1), value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270}
271
272/*
273 * fast interrupt HSCX stuff goes here
274 */
275
Joe Perches475be4d2012-02-19 19:52:38 -0800276#define READHSCX(cs, nr, reg) readreg(cs->hw.diva.hscx_adr, \
277 cs->hw.diva.hscx, reg + (nr ? 0x40 : 0))
278#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.diva.hscx_adr, \
279 cs->hw.diva.hscx, reg + (nr ? 0x40 : 0), data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280
Joe Perches475be4d2012-02-19 19:52:38 -0800281#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.diva.hscx_adr, \
282 cs->hw.diva.hscx, (nr ? 0x40 : 0), ptr, cnt)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283
284#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.diva.hscx_adr, \
Joe Perches475be4d2012-02-19 19:52:38 -0800285 cs->hw.diva.hscx, (nr ? 0x40 : 0), ptr, cnt)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286
287#include "hscx_irq.c"
288
289static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +0100290diva_interrupt(int intno, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291{
292 struct IsdnCardState *cs = dev_id;
293 u_char val, sval;
294 u_long flags;
Joe Perches475be4d2012-02-19 19:52:38 -0800295 int cnt = 5;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296
297 spin_lock_irqsave(&cs->lock, flags);
298 while (((sval = bytein(cs->hw.diva.ctrl)) & DIVA_IRQ_REQ) && cnt) {
299 val = readreg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_ISTA + 0x40);
300 if (val)
301 hscx_int_main(cs, val);
302 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_ISTA);
303 if (val)
304 isac_interrupt(cs, val);
305 cnt--;
306 }
307 if (!cnt)
308 printk(KERN_WARNING "Diva: IRQ LOOP\n");
309 writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK, 0xFF);
310 writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK + 0x40, 0xFF);
311 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_MASK, 0xFF);
312 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_MASK, 0x0);
313 writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK, 0x0);
314 writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK + 0x40, 0x0);
315 spin_unlock_irqrestore(&cs->lock, flags);
316 return IRQ_HANDLED;
317}
318
319static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +0100320diva_irq_ipac_isa(int intno, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321{
322 struct IsdnCardState *cs = dev_id;
Joe Perches475be4d2012-02-19 19:52:38 -0800323 u_char ista, val;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324 u_long flags;
Joe Perches475be4d2012-02-19 19:52:38 -0800325 int icnt = 5;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326
327 spin_lock_irqsave(&cs->lock, flags);
328 ista = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ISTA);
329Start_IPACISA:
330 if (cs->debug & L1_DEB_IPAC)
331 debugl1(cs, "IPAC ISTA %02X", ista);
332 if (ista & 0x0f) {
333 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, HSCX_ISTA + 0x40);
334 if (ista & 0x01)
335 val |= 0x01;
336 if (ista & 0x04)
337 val |= 0x02;
338 if (ista & 0x08)
339 val |= 0x04;
340 if (val)
341 hscx_int_main(cs, val);
342 }
343 if (ista & 0x20) {
344 val = 0xfe & readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_ISTA + 0x80);
345 if (val) {
346 isac_interrupt(cs, val);
347 }
348 }
349 if (ista & 0x10) {
350 val = 0x01;
351 isac_interrupt(cs, val);
352 }
353 ista = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ISTA);
354 if ((ista & 0x3f) && icnt) {
355 icnt--;
356 goto Start_IPACISA;
357 }
358 if (!icnt)
359 printk(KERN_WARNING "DIVA IPAC IRQ LOOP\n");
360 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xFF);
361 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xC0);
362 spin_unlock_irqrestore(&cs->lock, flags);
363 return IRQ_HANDLED;
364}
365
366static inline void
367MemwaitforCEC(struct IsdnCardState *cs, int hscx)
368{
369 int to = 50;
370
371 while ((MemReadHSCX(cs, hscx, HSCX_STAR) & 0x04) && to) {
372 udelay(1);
373 to--;
374 }
375 if (!to)
376 printk(KERN_WARNING "HiSax: waitforCEC timeout\n");
377}
378
379
380static inline void
381MemwaitforXFW(struct IsdnCardState *cs, int hscx)
382{
383 int to = 50;
384
Roel Kluina947c8f2009-11-04 08:31:19 -0800385 while (((MemReadHSCX(cs, hscx, HSCX_STAR) & 0x44) != 0x40) && to) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386 udelay(1);
387 to--;
388 }
389 if (!to)
390 printk(KERN_WARNING "HiSax: waitforXFW timeout\n");
391}
392
393static inline void
394MemWriteHSCXCMDR(struct IsdnCardState *cs, int hscx, u_char data)
395{
396 MemwaitforCEC(cs, hscx);
397 MemWriteHSCX(cs, hscx, HSCX_CMDR, data);
398}
399
400static void
401Memhscx_empty_fifo(struct BCState *bcs, int count)
402{
403 u_char *ptr;
404 struct IsdnCardState *cs = bcs->cs;
405 int cnt;
406
407 if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
408 debugl1(cs, "hscx_empty_fifo");
409
410 if (bcs->hw.hscx.rcvidx + count > HSCX_BUFMAX) {
411 if (cs->debug & L1_DEB_WARN)
412 debugl1(cs, "hscx_empty_fifo: incoming packet too large");
413 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x80);
414 bcs->hw.hscx.rcvidx = 0;
415 return;
416 }
417 ptr = bcs->hw.hscx.rcvbuf + bcs->hw.hscx.rcvidx;
418 cnt = count;
419 while (cnt--)
420 *ptr++ = memreadreg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0);
421 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x80);
422 ptr = bcs->hw.hscx.rcvbuf + bcs->hw.hscx.rcvidx;
423 bcs->hw.hscx.rcvidx += count;
424 if (cs->debug & L1_DEB_HSCX_FIFO) {
425 char *t = bcs->blog;
426
427 t += sprintf(t, "hscx_empty_fifo %c cnt %d",
428 bcs->hw.hscx.hscx ? 'B' : 'A', count);
429 QuickHex(t, ptr, count);
Kees Cook35a4a572013-09-13 14:52:04 -0700430 debugl1(cs, "%s", bcs->blog);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431 }
432}
433
434static void
435Memhscx_fill_fifo(struct BCState *bcs)
436{
437 struct IsdnCardState *cs = bcs->cs;
438 int more, count, cnt;
Joe Perches475be4d2012-02-19 19:52:38 -0800439 int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags) ? 64 : 32;
440 u_char *ptr, *p;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700441
442 if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
443 debugl1(cs, "hscx_fill_fifo");
444
445 if (!bcs->tx_skb)
446 return;
447 if (bcs->tx_skb->len <= 0)
448 return;
449
450 more = (bcs->mode == L1_MODE_TRANS) ? 1 : 0;
451 if (bcs->tx_skb->len > fifo_size) {
452 more = !0;
453 count = fifo_size;
454 } else
455 count = bcs->tx_skb->len;
456 cnt = count;
457 MemwaitforXFW(cs, bcs->hw.hscx.hscx);
458 p = ptr = bcs->tx_skb->data;
459 skb_pull(bcs->tx_skb, count);
460 bcs->tx_cnt -= count;
461 bcs->hw.hscx.count += count;
Joe Perches475be4d2012-02-19 19:52:38 -0800462 while (cnt--)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700463 memwritereg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0,
Joe Perches475be4d2012-02-19 19:52:38 -0800464 *p++);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, more ? 0x8 : 0xa);
466 if (cs->debug & L1_DEB_HSCX_FIFO) {
467 char *t = bcs->blog;
468
469 t += sprintf(t, "hscx_fill_fifo %c cnt %d",
470 bcs->hw.hscx.hscx ? 'B' : 'A', count);
471 QuickHex(t, ptr, count);
Kees Cook35a4a572013-09-13 14:52:04 -0700472 debugl1(cs, "%s", bcs->blog);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473 }
474}
475
Arjan van de Ven858119e2006-01-14 13:20:43 -0800476static void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477Memhscx_interrupt(struct IsdnCardState *cs, u_char val, u_char hscx)
478{
479 u_char r;
480 struct BCState *bcs = cs->bcs + hscx;
481 struct sk_buff *skb;
Joe Perches475be4d2012-02-19 19:52:38 -0800482 int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags) ? 64 : 32;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700483 int count;
484
485 if (!test_bit(BC_FLG_INIT, &bcs->Flag))
486 return;
487
488 if (val & 0x80) { /* RME */
489 r = MemReadHSCX(cs, hscx, HSCX_RSTA);
490 if ((r & 0xf0) != 0xa0) {
491 if (!(r & 0x80))
492 if (cs->debug & L1_DEB_WARN)
493 debugl1(cs, "HSCX invalid frame");
494 if ((r & 0x40) && bcs->mode)
495 if (cs->debug & L1_DEB_WARN)
496 debugl1(cs, "HSCX RDO mode=%d",
497 bcs->mode);
498 if (!(r & 0x20))
499 if (cs->debug & L1_DEB_WARN)
500 debugl1(cs, "HSCX CRC error");
501 MemWriteHSCXCMDR(cs, hscx, 0x80);
502 } else {
503 count = MemReadHSCX(cs, hscx, HSCX_RBCL) & (
Joe Perches475be4d2012-02-19 19:52:38 -0800504 test_bit(HW_IPAC, &cs->HW_Flags) ? 0x3f : 0x1f);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700505 if (count == 0)
506 count = fifo_size;
507 Memhscx_empty_fifo(bcs, count);
508 if ((count = bcs->hw.hscx.rcvidx - 1) > 0) {
509 if (cs->debug & L1_DEB_HSCX_FIFO)
510 debugl1(cs, "HX Frame %d", count);
511 if (!(skb = dev_alloc_skb(count)))
512 printk(KERN_WARNING "HSCX: receive out of memory\n");
513 else {
514 memcpy(skb_put(skb, count), bcs->hw.hscx.rcvbuf, count);
515 skb_queue_tail(&bcs->rqueue, skb);
516 }
517 }
518 }
519 bcs->hw.hscx.rcvidx = 0;
520 schedule_event(bcs, B_RCVBUFREADY);
521 }
522 if (val & 0x40) { /* RPF */
523 Memhscx_empty_fifo(bcs, fifo_size);
524 if (bcs->mode == L1_MODE_TRANS) {
525 /* receive audio data */
526 if (!(skb = dev_alloc_skb(fifo_size)))
527 printk(KERN_WARNING "HiSax: receive out of memory\n");
528 else {
529 memcpy(skb_put(skb, fifo_size), bcs->hw.hscx.rcvbuf, fifo_size);
530 skb_queue_tail(&bcs->rqueue, skb);
531 }
532 bcs->hw.hscx.rcvidx = 0;
533 schedule_event(bcs, B_RCVBUFREADY);
534 }
535 }
536 if (val & 0x10) { /* XPR */
537 if (bcs->tx_skb) {
538 if (bcs->tx_skb->len) {
539 Memhscx_fill_fifo(bcs);
540 return;
541 } else {
Joe Perches475be4d2012-02-19 19:52:38 -0800542 if (test_bit(FLG_LLI_L1WAKEUP, &bcs->st->lli.flag) &&
543 (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544 u_long flags;
545 spin_lock_irqsave(&bcs->aclock, flags);
546 bcs->ackcnt += bcs->hw.hscx.count;
547 spin_unlock_irqrestore(&bcs->aclock, flags);
548 schedule_event(bcs, B_ACKPENDING);
549 }
550 dev_kfree_skb_irq(bcs->tx_skb);
Joe Perches475be4d2012-02-19 19:52:38 -0800551 bcs->hw.hscx.count = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700552 bcs->tx_skb = NULL;
553 }
554 }
555 if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
556 bcs->hw.hscx.count = 0;
557 test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
558 Memhscx_fill_fifo(bcs);
559 } else {
560 test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
561 schedule_event(bcs, B_XMTBUFREADY);
562 }
563 }
564}
565
566static inline void
567Memhscx_int_main(struct IsdnCardState *cs, u_char val)
568{
569
570 u_char exval;
571 struct BCState *bcs;
572
573 if (val & 0x01) { // EXB
574 bcs = cs->bcs + 1;
575 exval = MemReadHSCX(cs, 1, HSCX_EXIR);
576 if (exval & 0x40) {
577 if (bcs->mode == 1)
578 Memhscx_fill_fifo(bcs);
579 else {
580 /* Here we lost an TX interrupt, so
Joe Perches475be4d2012-02-19 19:52:38 -0800581 * restart transmitting the whole frame.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582 */
583 if (bcs->tx_skb) {
584 skb_push(bcs->tx_skb, bcs->hw.hscx.count);
585 bcs->tx_cnt += bcs->hw.hscx.count;
586 bcs->hw.hscx.count = 0;
587 }
588 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x01);
589 if (cs->debug & L1_DEB_WARN)
590 debugl1(cs, "HSCX B EXIR %x Lost TX", exval);
591 }
592 } else if (cs->debug & L1_DEB_HSCX)
593 debugl1(cs, "HSCX B EXIR %x", exval);
594 }
595 if (val & 0xf8) {
596 if (cs->debug & L1_DEB_HSCX)
597 debugl1(cs, "HSCX B interrupt %x", val);
598 Memhscx_interrupt(cs, val, 1);
599 }
600 if (val & 0x02) { // EXA
601 bcs = cs->bcs;
602 exval = MemReadHSCX(cs, 0, HSCX_EXIR);
603 if (exval & 0x40) {
604 if (bcs->mode == L1_MODE_TRANS)
605 Memhscx_fill_fifo(bcs);
606 else {
607 /* Here we lost an TX interrupt, so
Joe Perches475be4d2012-02-19 19:52:38 -0800608 * restart transmitting the whole frame.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700609 */
610 if (bcs->tx_skb) {
611 skb_push(bcs->tx_skb, bcs->hw.hscx.count);
612 bcs->tx_cnt += bcs->hw.hscx.count;
613 bcs->hw.hscx.count = 0;
614 }
615 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x01);
616 if (cs->debug & L1_DEB_WARN)
617 debugl1(cs, "HSCX A EXIR %x Lost TX", exval);
618 }
619 } else if (cs->debug & L1_DEB_HSCX)
620 debugl1(cs, "HSCX A EXIR %x", exval);
621 }
622 if (val & 0x04) { // ICA
623 exval = MemReadHSCX(cs, 0, HSCX_ISTA);
624 if (cs->debug & L1_DEB_HSCX)
625 debugl1(cs, "HSCX A interrupt %x", exval);
626 Memhscx_interrupt(cs, exval, 0);
627 }
628}
629
630static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +0100631diva_irq_ipac_pci(int intno, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632{
633 struct IsdnCardState *cs = dev_id;
Joe Perches475be4d2012-02-19 19:52:38 -0800634 u_char ista, val;
635 int icnt = 5;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636 u_char *cfg;
637 u_long flags;
638
639 spin_lock_irqsave(&cs->lock, flags);
640 cfg = (u_char *) cs->hw.diva.pci_cfg;
641 val = *cfg;
642 if (!(val & PITA_INT0_STATUS)) {
643 spin_unlock_irqrestore(&cs->lock, flags);
644 return IRQ_NONE; /* other shared IRQ */
645 }
646 *cfg = PITA_INT0_STATUS; /* Reset pending INT0 */
647 ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
648Start_IPACPCI:
649 if (cs->debug & L1_DEB_IPAC)
650 debugl1(cs, "IPAC ISTA %02X", ista);
651 if (ista & 0x0f) {
652 val = memreadreg(cs->hw.diva.cfg_reg, HSCX_ISTA + 0x40);
653 if (ista & 0x01)
654 val |= 0x01;
655 if (ista & 0x04)
656 val |= 0x02;
657 if (ista & 0x08)
658 val |= 0x04;
659 if (val)
660 Memhscx_int_main(cs, val);
661 }
662 if (ista & 0x20) {
663 val = 0xfe & memreadreg(cs->hw.diva.cfg_reg, ISAC_ISTA + 0x80);
664 if (val) {
665 isac_interrupt(cs, val);
666 }
667 }
668 if (ista & 0x10) {
669 val = 0x01;
670 isac_interrupt(cs, val);
671 }
672 ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
673 if ((ista & 0x3f) && icnt) {
674 icnt--;
675 goto Start_IPACPCI;
676 }
677 if (!icnt)
678 printk(KERN_WARNING "DIVA IPAC PCI IRQ LOOP\n");
679 memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xFF);
680 memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xC0);
681 spin_unlock_irqrestore(&cs->lock, flags);
682 return IRQ_HANDLED;
683}
684
685static irqreturn_t
David Howells7d12e782006-10-05 14:55:46 +0100686diva_irq_ipacx_pci(int intno, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687{
688 struct IsdnCardState *cs = dev_id;
689 u_char val;
690 u_char *cfg;
691 u_long flags;
692
693 spin_lock_irqsave(&cs->lock, flags);
694 cfg = (u_char *) cs->hw.diva.pci_cfg;
695 val = *cfg;
Joe Perches475be4d2012-02-19 19:52:38 -0800696 if (!(val & PITA_INT0_STATUS)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700697 spin_unlock_irqrestore(&cs->lock, flags);
698 return IRQ_NONE; // other shared IRQ
699 }
Joe Perches475be4d2012-02-19 19:52:38 -0800700 interrupt_ipacx(cs); // handler for chip
Linus Torvalds1da177e2005-04-16 15:20:36 -0700701 *cfg = PITA_INT0_STATUS; // Reset PLX interrupt
702 spin_unlock_irqrestore(&cs->lock, flags);
703 return IRQ_HANDLED;
704}
705
Adrian Bunk672c3fd2005-06-25 14:59:18 -0700706static void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700707release_io_diva(struct IsdnCardState *cs)
708{
709 int bytecnt;
710
Joe Perches475be4d2012-02-19 19:52:38 -0800711 if ((cs->subtyp == DIVA_IPAC_PCI) ||
712 (cs->subtyp == DIVA_IPACX_PCI)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713 u_int *cfg = (unsigned int *)cs->hw.diva.pci_cfg;
714
Joe Perches475be4d2012-02-19 19:52:38 -0800715 *cfg = 0; /* disable INT0/1 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700716 *cfg = 2; /* reset pending INT0 */
Amol Ladfca4edb2006-10-19 23:29:06 -0700717 if (cs->hw.diva.cfg_reg)
718 iounmap((void *)cs->hw.diva.cfg_reg);
719 if (cs->hw.diva.pci_cfg)
720 iounmap((void *)cs->hw.diva.pci_cfg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700721 return;
722 } else if (cs->subtyp != DIVA_IPAC_ISA) {
723 del_timer(&cs->hw.diva.tl);
724 if (cs->hw.diva.cfg_reg)
725 byteout(cs->hw.diva.ctrl, 0); /* LED off, Reset */
726 }
727 if ((cs->subtyp == DIVA_ISA) || (cs->subtyp == DIVA_IPAC_ISA))
728 bytecnt = 8;
729 else
730 bytecnt = 32;
731 if (cs->hw.diva.cfg_reg) {
732 release_region(cs->hw.diva.cfg_reg, bytecnt);
733 }
734}
735
736static void
Amol Ladfca4edb2006-10-19 23:29:06 -0700737iounmap_diva(struct IsdnCardState *cs)
738{
739 if ((cs->subtyp == DIVA_IPAC_PCI) || (cs->subtyp == DIVA_IPACX_PCI)) {
740 if (cs->hw.diva.cfg_reg) {
741 iounmap((void *)cs->hw.diva.cfg_reg);
742 cs->hw.diva.cfg_reg = 0;
743 }
744 if (cs->hw.diva.pci_cfg) {
745 iounmap((void *)cs->hw.diva.pci_cfg);
746 cs->hw.diva.pci_cfg = 0;
747 }
748 }
749
750 return;
751}
752
753static void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700754reset_diva(struct IsdnCardState *cs)
755{
756 if (cs->subtyp == DIVA_IPAC_ISA) {
757 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x20);
758 mdelay(10);
759 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x00);
760 mdelay(10);
761 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xc0);
762 } else if (cs->subtyp == DIVA_IPAC_PCI) {
763 unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
Joe Perches475be4d2012-02-19 19:52:38 -0800764 PITA_MISC_REG);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700765 *ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
766 mdelay(10);
767 *ireg = PITA_PARA_MPX_MODE;
768 mdelay(10);
769 memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xc0);
770 } else if (cs->subtyp == DIVA_IPACX_PCI) {
771 unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
Joe Perches475be4d2012-02-19 19:52:38 -0800772 PITA_MISC_REG);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700773 *ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
774 mdelay(10);
775 *ireg = PITA_PARA_MPX_MODE | PITA_SER_SOFTRESET;
776 mdelay(10);
777 MemWriteISAC_IPACX(cs, IPACX_MASK, 0xff); // Interrupts off
778 } else { /* DIVA 2.0 */
779 cs->hw.diva.ctrl_reg = 0; /* Reset On */
780 byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
781 mdelay(10);
782 cs->hw.diva.ctrl_reg |= DIVA_RESET; /* Reset Off */
783 byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
784 mdelay(10);
785 if (cs->subtyp == DIVA_ISA)
786 cs->hw.diva.ctrl_reg |= DIVA_ISA_LED_A;
787 else {
788 /* Workaround PCI9060 */
789 byteout(cs->hw.diva.pci_cfg + 0x69, 9);
790 cs->hw.diva.ctrl_reg |= DIVA_PCI_LED_A;
791 }
792 byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
793 }
794}
795
796#define DIVA_ASSIGN 1
797
798static void
799diva_led_handler(struct IsdnCardState *cs)
800{
801 int blink = 0;
802
803 if ((cs->subtyp == DIVA_IPAC_ISA) ||
804 (cs->subtyp == DIVA_IPAC_PCI) ||
Joe Perches475be4d2012-02-19 19:52:38 -0800805 (cs->subtyp == DIVA_IPACX_PCI))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700806 return;
807 del_timer(&cs->hw.diva.tl);
808 if (cs->hw.diva.status & DIVA_ASSIGN)
809 cs->hw.diva.ctrl_reg |= (DIVA_ISA == cs->subtyp) ?
810 DIVA_ISA_LED_A : DIVA_PCI_LED_A;
811 else {
812 cs->hw.diva.ctrl_reg ^= (DIVA_ISA == cs->subtyp) ?
813 DIVA_ISA_LED_A : DIVA_PCI_LED_A;
814 blink = 250;
815 }
816 if (cs->hw.diva.status & 0xf000)
817 cs->hw.diva.ctrl_reg |= (DIVA_ISA == cs->subtyp) ?
818 DIVA_ISA_LED_B : DIVA_PCI_LED_B;
819 else if (cs->hw.diva.status & 0x0f00) {
820 cs->hw.diva.ctrl_reg ^= (DIVA_ISA == cs->subtyp) ?
821 DIVA_ISA_LED_B : DIVA_PCI_LED_B;
822 blink = 500;
823 } else
824 cs->hw.diva.ctrl_reg &= ~((DIVA_ISA == cs->subtyp) ?
Joe Perches475be4d2012-02-19 19:52:38 -0800825 DIVA_ISA_LED_B : DIVA_PCI_LED_B);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700826
827 byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
828 if (blink) {
829 init_timer(&cs->hw.diva.tl);
830 cs->hw.diva.tl.expires = jiffies + ((blink * HZ) / 1000);
831 add_timer(&cs->hw.diva.tl);
832 }
833}
834
835static int
836Diva_card_msg(struct IsdnCardState *cs, int mt, void *arg)
837{
838 u_int *ireg;
839 u_long flags;
840
841 switch (mt) {
Joe Perches475be4d2012-02-19 19:52:38 -0800842 case CARD_RESET:
843 spin_lock_irqsave(&cs->lock, flags);
844 reset_diva(cs);
845 spin_unlock_irqrestore(&cs->lock, flags);
846 return (0);
847 case CARD_RELEASE:
848 release_io_diva(cs);
849 return (0);
850 case CARD_INIT:
851 spin_lock_irqsave(&cs->lock, flags);
852 reset_diva(cs);
853 if (cs->subtyp == DIVA_IPACX_PCI) {
854 ireg = (unsigned int *)cs->hw.diva.pci_cfg;
855 *ireg = PITA_INT0_ENABLE;
856 init_ipacx(cs, 3); // init chip and enable interrupts
Linus Torvalds1da177e2005-04-16 15:20:36 -0700857 spin_unlock_irqrestore(&cs->lock, flags);
Joe Perches475be4d2012-02-19 19:52:38 -0800858 return (0);
859 }
860 if (cs->subtyp == DIVA_IPAC_PCI) {
861 ireg = (unsigned int *)cs->hw.diva.pci_cfg;
862 *ireg = PITA_INT0_ENABLE;
863 }
864 inithscxisac(cs, 3);
865 spin_unlock_irqrestore(&cs->lock, flags);
866 return (0);
867 case CARD_TEST:
868 return (0);
869 case (MDL_REMOVE | REQUEST):
870 cs->hw.diva.status = 0;
871 break;
872 case (MDL_ASSIGN | REQUEST):
873 cs->hw.diva.status |= DIVA_ASSIGN;
874 break;
875 case MDL_INFO_SETUP:
876 if ((long)arg)
877 cs->hw.diva.status |= 0x0200;
878 else
879 cs->hw.diva.status |= 0x0100;
880 break;
881 case MDL_INFO_CONN:
882 if ((long)arg)
883 cs->hw.diva.status |= 0x2000;
884 else
885 cs->hw.diva.status |= 0x1000;
886 break;
887 case MDL_INFO_REL:
888 if ((long)arg) {
889 cs->hw.diva.status &= ~0x2000;
890 cs->hw.diva.status &= ~0x0200;
891 } else {
892 cs->hw.diva.status &= ~0x1000;
893 cs->hw.diva.status &= ~0x0100;
894 }
895 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700896 }
Joe Perches475be4d2012-02-19 19:52:38 -0800897 if ((cs->subtyp != DIVA_IPAC_ISA) &&
Linus Torvalds1da177e2005-04-16 15:20:36 -0700898 (cs->subtyp != DIVA_IPAC_PCI) &&
899 (cs->subtyp != DIVA_IPACX_PCI)) {
Joe Perches475be4d2012-02-19 19:52:38 -0800900 spin_lock_irqsave(&cs->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700901 diva_led_handler(cs);
902 spin_unlock_irqrestore(&cs->lock, flags);
903 }
Joe Perches475be4d2012-02-19 19:52:38 -0800904 return (0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700905}
906
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -0800907static int setup_diva_common(struct IsdnCardState *cs)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700908{
Jeff Garzik4b5a9b32007-10-03 15:47:00 -0400909 int bytecnt;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700910 u_char val;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700911
Jeff Garzik4b5a9b32007-10-03 15:47:00 -0400912 if ((cs->subtyp == DIVA_ISA) || (cs->subtyp == DIVA_IPAC_ISA))
913 bytecnt = 8;
914 else
915 bytecnt = 32;
Jeff Garzikdf61bec2006-12-08 02:39:37 -0800916
Linus Torvalds1da177e2005-04-16 15:20:36 -0700917 printk(KERN_INFO
Joe Perches475be4d2012-02-19 19:52:38 -0800918 "Diva: %s card configured at %#lx IRQ %d\n",
919 (cs->subtyp == DIVA_PCI) ? "PCI" :
920 (cs->subtyp == DIVA_ISA) ? "ISA" :
921 (cs->subtyp == DIVA_IPAC_ISA) ? "IPAC ISA" :
922 (cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",
923 cs->hw.diva.cfg_reg, cs->irq);
924 if ((cs->subtyp == DIVA_IPAC_PCI) ||
925 (cs->subtyp == DIVA_IPACX_PCI) ||
926 (cs->subtyp == DIVA_PCI))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700927 printk(KERN_INFO "Diva: %s space at %#lx\n",
Joe Perches475be4d2012-02-19 19:52:38 -0800928 (cs->subtyp == DIVA_PCI) ? "PCI" :
929 (cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",
930 cs->hw.diva.pci_cfg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700931 if ((cs->subtyp != DIVA_IPAC_PCI) &&
Joe Perches475be4d2012-02-19 19:52:38 -0800932 (cs->subtyp != DIVA_IPACX_PCI)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700933 if (!request_region(cs->hw.diva.cfg_reg, bytecnt, "diva isdn")) {
934 printk(KERN_WARNING
935 "HiSax: %s config port %lx-%lx already in use\n",
Jeff Garzik4b5a9b32007-10-03 15:47:00 -0400936 "diva",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700937 cs->hw.diva.cfg_reg,
938 cs->hw.diva.cfg_reg + bytecnt);
Amol Ladfca4edb2006-10-19 23:29:06 -0700939 iounmap_diva(cs);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700940 return (0);
941 }
942 }
943 cs->BC_Read_Reg = &ReadHSCX;
944 cs->BC_Write_Reg = &WriteHSCX;
945 cs->BC_Send_Data = &hscx_fill_fifo;
946 cs->cardmsg = &Diva_card_msg;
947 setup_isac(cs);
948 if (cs->subtyp == DIVA_IPAC_ISA) {
949 cs->readisac = &ReadISAC_IPAC;
950 cs->writeisac = &WriteISAC_IPAC;
951 cs->readisacfifo = &ReadISACfifo_IPAC;
952 cs->writeisacfifo = &WriteISACfifo_IPAC;
953 cs->irq_func = &diva_irq_ipac_isa;
954 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ID);
955 printk(KERN_INFO "Diva: IPAC version %x\n", val);
956 } else if (cs->subtyp == DIVA_IPAC_PCI) {
957 cs->readisac = &MemReadISAC_IPAC;
958 cs->writeisac = &MemWriteISAC_IPAC;
959 cs->readisacfifo = &MemReadISACfifo_IPAC;
960 cs->writeisacfifo = &MemWriteISACfifo_IPAC;
961 cs->BC_Read_Reg = &MemReadHSCX;
962 cs->BC_Write_Reg = &MemWriteHSCX;
963 cs->BC_Send_Data = &Memhscx_fill_fifo;
964 cs->irq_func = &diva_irq_ipac_pci;
965 val = memreadreg(cs->hw.diva.cfg_reg, IPAC_ID);
966 printk(KERN_INFO "Diva: IPAC version %x\n", val);
967 } else if (cs->subtyp == DIVA_IPACX_PCI) {
968 cs->readisac = &MemReadISAC_IPACX;
969 cs->writeisac = &MemWriteISAC_IPACX;
970 cs->readisacfifo = &MemReadISACfifo_IPACX;
971 cs->writeisacfifo = &MemWriteISACfifo_IPACX;
972 cs->BC_Read_Reg = &MemReadHSCX_IPACX;
973 cs->BC_Write_Reg = &MemWriteHSCX_IPACX;
974 cs->BC_Send_Data = NULL; // function located in ipacx module
975 cs->irq_func = &diva_irq_ipacx_pci;
Joe Perches475be4d2012-02-19 19:52:38 -0800976 printk(KERN_INFO "Diva: IPACX Design Id: %x\n",
977 MemReadISAC_IPACX(cs, IPACX_ID) & 0x3F);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700978 } else { /* DIVA 2.0 */
979 cs->hw.diva.tl.function = (void *) diva_led_handler;
980 cs->hw.diva.tl.data = (long) cs;
981 init_timer(&cs->hw.diva.tl);
982 cs->readisac = &ReadISAC;
983 cs->writeisac = &WriteISAC;
984 cs->readisacfifo = &ReadISACfifo;
985 cs->writeisacfifo = &WriteISACfifo;
986 cs->irq_func = &diva_interrupt;
987 ISACVersion(cs, "Diva:");
988 if (HscxVersion(cs, "Diva:")) {
989 printk(KERN_WARNING
Joe Perches475be4d2012-02-19 19:52:38 -0800990 "Diva: wrong HSCX versions check IO address\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700991 release_io_diva(cs);
992 return (0);
993 }
994 }
995 return (1);
996}
Jeff Garzik4b5a9b32007-10-03 15:47:00 -0400997
998#ifdef CONFIG_ISA
999
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001000static int setup_diva_isa(struct IsdnCard *card)
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001001{
1002 struct IsdnCardState *cs = card->cs;
1003 u_char val;
1004
1005 if (!card->para[1])
1006 return (-1); /* card not found; continue search */
1007
1008 cs->hw.diva.ctrl_reg = 0;
1009 cs->hw.diva.cfg_reg = card->para[1];
1010 val = readreg(cs->hw.diva.cfg_reg + DIVA_IPAC_ADR,
Joe Perches475be4d2012-02-19 19:52:38 -08001011 cs->hw.diva.cfg_reg + DIVA_IPAC_DATA, IPAC_ID);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001012 printk(KERN_INFO "Diva: IPAC version %x\n", val);
Joe Perches475be4d2012-02-19 19:52:38 -08001013 if ((val == 1) || (val == 2)) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001014 cs->subtyp = DIVA_IPAC_ISA;
1015 cs->hw.diva.ctrl = 0;
1016 cs->hw.diva.isac = card->para[1] + DIVA_IPAC_DATA;
1017 cs->hw.diva.hscx = card->para[1] + DIVA_IPAC_DATA;
1018 cs->hw.diva.isac_adr = card->para[1] + DIVA_IPAC_ADR;
1019 cs->hw.diva.hscx_adr = card->para[1] + DIVA_IPAC_ADR;
1020 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1021 } else {
1022 cs->subtyp = DIVA_ISA;
1023 cs->hw.diva.ctrl = card->para[1] + DIVA_ISA_CTRL;
1024 cs->hw.diva.isac = card->para[1] + DIVA_ISA_ISAC_DATA;
1025 cs->hw.diva.hscx = card->para[1] + DIVA_HSCX_DATA;
1026 cs->hw.diva.isac_adr = card->para[1] + DIVA_ISA_ISAC_ADR;
1027 cs->hw.diva.hscx_adr = card->para[1] + DIVA_HSCX_ADR;
1028 }
1029 cs->irq = card->para[0];
1030
1031 return (1); /* card found */
1032}
1033
1034#else /* if !CONFIG_ISA */
1035
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001036static int setup_diva_isa(struct IsdnCard *card)
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001037{
1038 return (-1); /* card not found; continue search */
1039}
1040
1041#endif /* CONFIG_ISA */
1042
1043#ifdef __ISAPNP__
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001044static struct isapnp_device_id diva_ids[] = {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001045 { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
Joe Perches475be4d2012-02-19 19:52:38 -08001046 ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001047 (unsigned long) "Diva picola" },
1048 { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
Joe Perches475be4d2012-02-19 19:52:38 -08001049 ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x51),
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001050 (unsigned long) "Diva picola" },
1051 { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
Joe Perches475be4d2012-02-19 19:52:38 -08001052 ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001053 (unsigned long) "Diva 2.0" },
1054 { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
Joe Perches475be4d2012-02-19 19:52:38 -08001055 ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x71),
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001056 (unsigned long) "Diva 2.0" },
1057 { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
Joe Perches475be4d2012-02-19 19:52:38 -08001058 ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001059 (unsigned long) "Diva 2.01" },
1060 { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
Joe Perches475be4d2012-02-19 19:52:38 -08001061 ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0xA1),
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001062 (unsigned long) "Diva 2.01" },
1063 { 0, }
1064};
1065
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001066static struct isapnp_device_id *ipid = &diva_ids[0];
1067static struct pnp_card *pnp_c = NULL;
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001068
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001069static int setup_diva_isapnp(struct IsdnCard *card)
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001070{
1071 struct IsdnCardState *cs = card->cs;
1072 struct pnp_dev *pnp_d;
1073
1074 if (!isapnp_present())
1075 return (-1); /* card not found; continue search */
1076
Joe Perches475be4d2012-02-19 19:52:38 -08001077 while (ipid->card_vendor) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001078 if ((pnp_c = pnp_find_card(ipid->card_vendor,
Joe Perches475be4d2012-02-19 19:52:38 -08001079 ipid->card_device, pnp_c))) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001080 pnp_d = NULL;
1081 if ((pnp_d = pnp_find_dev(pnp_c,
Joe Perches475be4d2012-02-19 19:52:38 -08001082 ipid->vendor, ipid->function, pnp_d))) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001083 int err;
1084
1085 printk(KERN_INFO "HiSax: %s detected\n",
Joe Perches475be4d2012-02-19 19:52:38 -08001086 (char *)ipid->driver_data);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001087 pnp_disable_dev(pnp_d);
1088 err = pnp_activate_dev(pnp_d);
Joe Perches475be4d2012-02-19 19:52:38 -08001089 if (err < 0) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001090 printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
Joe Perches475be4d2012-02-19 19:52:38 -08001091 __func__, err);
1092 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001093 }
1094 card->para[1] = pnp_port_start(pnp_d, 0);
1095 card->para[0] = pnp_irq(pnp_d, 0);
1096 if (!card->para[0] || !card->para[1]) {
1097 printk(KERN_ERR "Diva PnP:some resources are missing %ld/%lx\n",
Joe Perches475be4d2012-02-19 19:52:38 -08001098 card->para[0], card->para[1]);
1099 pnp_disable_dev(pnp_d);
1100 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001101 }
1102 cs->hw.diva.cfg_reg = card->para[1];
1103 cs->irq = card->para[0];
1104 if (ipid->function == ISAPNP_FUNCTION(0xA1)) {
1105 cs->subtyp = DIVA_IPAC_ISA;
1106 cs->hw.diva.ctrl = 0;
1107 cs->hw.diva.isac =
1108 card->para[1] + DIVA_IPAC_DATA;
1109 cs->hw.diva.hscx =
1110 card->para[1] + DIVA_IPAC_DATA;
1111 cs->hw.diva.isac_adr =
1112 card->para[1] + DIVA_IPAC_ADR;
1113 cs->hw.diva.hscx_adr =
1114 card->para[1] + DIVA_IPAC_ADR;
1115 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1116 } else {
1117 cs->subtyp = DIVA_ISA;
1118 cs->hw.diva.ctrl =
1119 card->para[1] + DIVA_ISA_CTRL;
1120 cs->hw.diva.isac =
1121 card->para[1] + DIVA_ISA_ISAC_DATA;
1122 cs->hw.diva.hscx =
1123 card->para[1] + DIVA_HSCX_DATA;
1124 cs->hw.diva.isac_adr =
1125 card->para[1] + DIVA_ISA_ISAC_ADR;
1126 cs->hw.diva.hscx_adr =
1127 card->para[1] + DIVA_HSCX_ADR;
1128 }
1129 return (1); /* card found */
1130 } else {
1131 printk(KERN_ERR "Diva PnP: PnP error card found, no device\n");
Joe Perches475be4d2012-02-19 19:52:38 -08001132 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001133 }
1134 }
1135 ipid++;
Joe Perches475be4d2012-02-19 19:52:38 -08001136 pnp_c = NULL;
1137 }
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001138
1139 return (-1); /* card not found; continue search */
1140}
1141
1142#else /* if !ISAPNP */
1143
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001144static int setup_diva_isapnp(struct IsdnCard *card)
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001145{
1146 return (-1); /* card not found; continue search */
1147}
1148
1149#endif /* ISAPNP */
1150
Tilman Schmidt41a68a72010-01-18 17:24:10 +01001151#ifdef CONFIG_PCI
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001152static struct pci_dev *dev_diva = NULL;
1153static struct pci_dev *dev_diva_u = NULL;
1154static struct pci_dev *dev_diva201 = NULL;
1155static struct pci_dev *dev_diva202 = NULL;
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001156
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001157static int setup_diva_pci(struct IsdnCard *card)
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001158{
1159 struct IsdnCardState *cs = card->cs;
1160
1161 cs->subtyp = 0;
Tilman Schmidt41a68a72010-01-18 17:24:10 +01001162 if ((dev_diva = hisax_find_pci_device(PCI_VENDOR_ID_EICON,
Joe Perches475be4d2012-02-19 19:52:38 -08001163 PCI_DEVICE_ID_EICON_DIVA20, dev_diva))) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001164 if (pci_enable_device(dev_diva))
Joe Perches475be4d2012-02-19 19:52:38 -08001165 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001166 cs->subtyp = DIVA_PCI;
1167 cs->irq = dev_diva->irq;
1168 cs->hw.diva.cfg_reg = pci_resource_start(dev_diva, 2);
Tilman Schmidt41a68a72010-01-18 17:24:10 +01001169 } else if ((dev_diva_u = hisax_find_pci_device(PCI_VENDOR_ID_EICON,
Joe Perches475be4d2012-02-19 19:52:38 -08001170 PCI_DEVICE_ID_EICON_DIVA20_U, dev_diva_u))) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001171 if (pci_enable_device(dev_diva_u))
Joe Perches475be4d2012-02-19 19:52:38 -08001172 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001173 cs->subtyp = DIVA_PCI;
1174 cs->irq = dev_diva_u->irq;
1175 cs->hw.diva.cfg_reg = pci_resource_start(dev_diva_u, 2);
Tilman Schmidt41a68a72010-01-18 17:24:10 +01001176 } else if ((dev_diva201 = hisax_find_pci_device(PCI_VENDOR_ID_EICON,
Joe Perches475be4d2012-02-19 19:52:38 -08001177 PCI_DEVICE_ID_EICON_DIVA201, dev_diva201))) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001178 if (pci_enable_device(dev_diva201))
Joe Perches475be4d2012-02-19 19:52:38 -08001179 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001180 cs->subtyp = DIVA_IPAC_PCI;
1181 cs->irq = dev_diva201->irq;
1182 cs->hw.diva.pci_cfg =
1183 (ulong) ioremap(pci_resource_start(dev_diva201, 0), 4096);
1184 cs->hw.diva.cfg_reg =
1185 (ulong) ioremap(pci_resource_start(dev_diva201, 1), 4096);
Tilman Schmidt41a68a72010-01-18 17:24:10 +01001186 } else if ((dev_diva202 = hisax_find_pci_device(PCI_VENDOR_ID_EICON,
Joe Perches475be4d2012-02-19 19:52:38 -08001187 PCI_DEVICE_ID_EICON_DIVA202, dev_diva202))) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001188 if (pci_enable_device(dev_diva202))
Joe Perches475be4d2012-02-19 19:52:38 -08001189 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001190 cs->subtyp = DIVA_IPACX_PCI;
1191 cs->irq = dev_diva202->irq;
1192 cs->hw.diva.pci_cfg =
1193 (ulong) ioremap(pci_resource_start(dev_diva202, 0), 4096);
1194 cs->hw.diva.cfg_reg =
1195 (ulong) ioremap(pci_resource_start(dev_diva202, 1), 4096);
1196 } else {
1197 return (-1); /* card not found; continue search */
1198 }
1199
1200 if (!cs->irq) {
1201 printk(KERN_WARNING "Diva: No IRQ for PCI card found\n");
1202 iounmap_diva(cs);
Joe Perches475be4d2012-02-19 19:52:38 -08001203 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001204 }
1205
1206 if (!cs->hw.diva.cfg_reg) {
1207 printk(KERN_WARNING "Diva: No IO-Adr for PCI card found\n");
1208 iounmap_diva(cs);
Joe Perches475be4d2012-02-19 19:52:38 -08001209 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001210 }
1211 cs->irq_flags |= IRQF_SHARED;
1212
1213 if ((cs->subtyp == DIVA_IPAC_PCI) ||
Joe Perches475be4d2012-02-19 19:52:38 -08001214 (cs->subtyp == DIVA_IPACX_PCI)) {
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001215 cs->hw.diva.ctrl = 0;
1216 cs->hw.diva.isac = 0;
1217 cs->hw.diva.hscx = 0;
1218 cs->hw.diva.isac_adr = 0;
1219 cs->hw.diva.hscx_adr = 0;
1220 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1221 } else {
1222 cs->hw.diva.ctrl = cs->hw.diva.cfg_reg + DIVA_PCI_CTRL;
1223 cs->hw.diva.isac = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_DATA;
1224 cs->hw.diva.hscx = cs->hw.diva.cfg_reg + DIVA_HSCX_DATA;
1225 cs->hw.diva.isac_adr = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_ADR;
1226 cs->hw.diva.hscx_adr = cs->hw.diva.cfg_reg + DIVA_HSCX_ADR;
1227 }
1228
1229 return (1); /* card found */
1230}
1231
Tilman Schmidt41a68a72010-01-18 17:24:10 +01001232#else /* if !CONFIG_PCI */
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001233
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001234static int setup_diva_pci(struct IsdnCard *card)
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001235{
1236 return (-1); /* card not found; continue search */
1237}
1238
Tilman Schmidt41a68a72010-01-18 17:24:10 +01001239#endif /* CONFIG_PCI */
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001240
Greg Kroah-Hartmaned5a84c2012-12-21 13:13:05 -08001241int setup_diva(struct IsdnCard *card)
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001242{
1243 int rc, have_card = 0;
1244 struct IsdnCardState *cs = card->cs;
1245 char tmp[64];
1246
1247 strcpy(tmp, Diva_revision);
1248 printk(KERN_INFO "HiSax: Eicon.Diehl Diva driver Rev. %s\n", HiSax_getrev(tmp));
1249 if (cs->typ != ISDN_CTYPE_DIEHLDIVA)
Joe Perches475be4d2012-02-19 19:52:38 -08001250 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001251 cs->hw.diva.status = 0;
1252
1253 rc = setup_diva_isa(card);
1254 if (!rc)
1255 return rc;
1256 if (rc > 0) {
1257 have_card = 1;
1258 goto ready;
1259 }
1260
1261 rc = setup_diva_isapnp(card);
1262 if (!rc)
1263 return rc;
1264 if (rc > 0) {
1265 have_card = 1;
1266 goto ready;
1267 }
1268
1269 rc = setup_diva_pci(card);
1270 if (!rc)
1271 return rc;
1272 if (rc > 0)
1273 have_card = 1;
1274
1275ready:
1276 if (!have_card) {
1277 printk(KERN_WARNING "Diva: No ISA, ISAPNP or PCI card found\n");
Joe Perches475be4d2012-02-19 19:52:38 -08001278 return (0);
Jeff Garzik4b5a9b32007-10-03 15:47:00 -04001279 }
1280
1281 return setup_diva_common(card->cs);
1282}